Ducati Streetfighter - Timing System

Timing system
Desmodromic, 4 valves per cylinder
Desmodromic timing system
1) Opening rocker arm (or upper);
2) Opening rocker shim;
3) Closing (or lower) rocker shim;
4) Return spring for lower rocker;
5) Closing (or lower) rocker;
6) 
7) Valve.
1
2
2
17
6
2
2
3
6
4
5
1
Fig 204
260